It is suggested you register and use iptel as this has voice-mail and conference facility
when putting in details:
sip URL: sip:lobster@iptel.org (your iptel registered name replaces 'lobster')
registrar URL: sip.iptel.org

Use the test call features of Puppy Phone

Echo (should hear mic 'echo' in headphones) and music tests

Use Puppy Phone as soft phone

Click on contact and call

Tips

Calling groups of people

Either you can call sip:conference@iptel.org and key-in your own "room" number - if the "room" is empty, it become yours.

you can host your own "conference bridge", the partyline now works, you can call up to 32 persons simultaneously, and everyone in the call will hear each other. If you need more than 32 calls, one of the participant can start their own bridge too, that will add another 32 calls, and so on and so on - the number is really *unlimited*.

Note: conference@iptel.org is setup as default when you start Puppy Phone for the first time. (ie no .psip.conf).